Add Rackspace Cloud Files provider.
Upload files without extensions.
Merge branch 'rackspace-cloud-files' of https://github.com/bradgignac/dpl into bradgignac-rackspace-cloud-files

Conflicts:
	README.md
Removed use of travis_retry
Merge pull request #72 from Aaron1011/no_retry

Removed use of travis_retry
bump version
Added upload directory option to s3
Merge pull request #62 from Joshua-Anderson/s3-uploaddir

Added upload directory option to s3
Added S3 local path option. Fixes #69.
Merge pull request #73 from Joshua-Anderson/s3_path

Added S3 local path option. Fixes #69.
Remove JRuby as an allowed failure

The tests are now passing on JRuby, as stated in issue #65
Update .travis.yml
Added provider: OpsWorks
Merge pull request #75 from johanneswuerbach/opsworks

Added provider: OpsWorks
Support for migrations and deploy tested sha
Merge pull request #77 from johanneswuerbach/enhanced-opsworks

Support for migrations and deploy tested sha
Updated PyPI documentation

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